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  "id": 14590,
  "slug": "14590",
  "resource": "https://api.govparse.io/v1/fda/warning-letters/search",
  "description": "Which FDA-regulated firms have an open FDA warning letter? Search the FDA Warning Letters index by company, product area (drugs, devices, biologics, food, dietary-supplement, cosmetics, tobacco, veterinary), issuing office, subject (CGMP, adulterated, misbranded), open/closed status, or issue/posted date. Returns the recipient firm (entity-resolved where possible), issuing office, subject, and response/close-out dates — a documented compliance gap and remediation trigger.",
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      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "company": "Acme Labs",
            "issuing_office": "Center for Drug Evaluation and Research",
            "product_area": "drugs"
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          "type": "http"
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        "output": {
          "example": {
            "rows": [
              {
                "closeout_date": null,
                "company_name": "Example Pharmaceuticals, Inc.",
                "entity_id": null,
                "has_response": false,
                "is_closed": false,
                "issuing_office": "Center for Drug Evaluation and Research | CDER",
                "letter_id": "3f5a9c1e2b7d4a8c6e0f1a2b3c4d5e6f",
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                "posted_date": "2026-03-18",
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              "closed": {
                "description": "false = open letters (no close-out) only; true = closed-out only.",
                "examples": [
                  "false"
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                "description": "Recipient company name — suffix/punctuation-insensitive.",
                "examples": [
                  "Acme Labs"
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                "type": "string"
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              "offset": {
                "description": "Rows to skip.",
                "examples": [
                  0
                ],
                "type": "integer"
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              "posted_since": {
                "description": "Posted date on/after this date (YYYY-MM-DD) — newly-published letters.",
                "examples": [
                  "2026-01-01"
                ],
                "type": "string"
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                "description": "drugs | devices | biologics | food | dietary-supplement | cosmetics | tobacco | veterinary | other (CSV).",
                "examples": [
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                "description": "true = a firm response letter is on record; false = none.",
                "examples": [
                  "false"
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                "type": "string"
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                "description": "Letter issue date on/after this date (YYYY-MM-DD).",
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                ],
                "type": "string"
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              "sort": {
                "description": "letter_issue_date | posted_date :asc|:desc. Default letter_issue_date:desc.",
                "examples": [
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                "type": "string"
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              "subject": {
                "description": "Subject / alleged-violation fragment.",
                "examples": [
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            "type": "object"
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    "submitted_at": "2026-09-18T22:00:31.484Z"
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